activity
20192026
most citedKeyframe Segmentation and Positional Encoding for Video-guided Machine Translation Challenge 2020

8 citations · 25 across the 17 of their papers we have counts for

collaborators

17 papers

cs.CL2026

When Modality Gap Reduction Fails: Prediction-Level Hubness in CLIP

Shota Sato, Hajime Kiyama, Tosho Hirasawa +1

Reducing the modality gap between image and text representations in CLIP is widely expected to improve cross-modal alignment and downstream performance. However, a smaller average…

cs.CV2026

HalDec-Bench: Benchmarking Hallucination Detector in Image Captioning

Kuniaki Saito, Risa Shinoda, Shohei Tanaka +3

Hallucination detection in captions (HalDec) assesses a vision-language model's ability to correctly align image content with text by identifying errors in captions that misreprese…

cs.CL2026

Am I More Pointwise or Pairwise? Revealing Position Bias in Rubric-Based LLM-as-a-Judge

Yuzheng Xu, Tosho Hirasawa, Tadashi Kozuno +1

Large language models are widely employed as evaluators, a paradigm commonly referred to as LLM-as-a-judge. Prior research has predominantly examined point-wise or pair-wise evalua…

cs.CL2026

WarrantScore: Modeling Warrants between Claims and Evidence for Substantiation Evaluation in Peer Reviews

Kiyotada Mori, Shohei Tanaka, Tosho Hirasawa +3

The scientific peer-review process is facing a shortage of human resources due to the rapid growth in the number of submitted papers. The use of language models to reduce the human…

cs.CV2025

Evaluating the Capability of Video Question Generation for Expert Knowledge Elicitation

Huaying Zhang, Atsushi Hashimoto, Tosho Hirasawa

Skilled human interviewers can extract valuable information from experts. This raises a fundamental question: what makes some questions more effective than others? To address this,…

cs.CL2025

Assessing the Capabilities of LLMs in Humor:A Multi-dimensional Analysis of Oogiri Generation and Evaluation

Ritsu Sakabe, Hwichan Kim, Tosho Hirasawa +1

Computational humor is a frontier for creating advanced and engaging natural language processing (NLP) applications, such as sophisticated dialogue systems. While previous studies…

cs.CV2025

SciPostGen: Bridging the Gap between Scientific Papers and Poster Layouts

Shun Inadumi, Shohei Tanaka, Tosho Hirasawa +3

As the number of scientific papers continues to grow, there is a demand for approaches that can effectively convey research findings, with posters serving as a key medium for prese…

cs.CV2025

HalDec-Bench: Benchmarking Hallucination Detector in Image Captioning

Kuniaki Saito, Risa Shinoda, Shohei Tanaka +3

Hallucination detection in captions (HalDec) assesses a vision-language model's ability to correctly align image content with text by identifying errors in captions that misreprese…

cs.CL2025

MK2 at PBIG Competition: A Prompt Generation Solution

Yuzheng Xu, Tosho Hirasawa, Seiya Kawano +2

The Patent-Based Idea Generation task asks systems to turn real patents into product ideas viable within three years. We propose MK2, a prompt-centric pipeline: Gemini 2.5 drafts a…

cs.CV2024

SBS Figures: Pre-training Figure QA from Stage-by-Stage Synthesized Images

Risa Shinoda, Kuniaki Saito, Shohei Tanaka +2

Building a large-scale figure QA dataset requires a considerable amount of work, from gathering and selecting figures to extracting attributes like text, numbers, and colors, and g…

cs.CL2024

Pruning Multilingual Large Language Models for Multilingual Inference

Hwichan Kim, Jun Suzuki, Tosho Hirasawa +1

Multilingual large language models (MLLMs), trained on multilingual balanced data, demonstrate better zero-shot learning performance in non-English languages compared to large lang…

cs.CV2024

COM Kitchens: An Unedited Overhead-view Video Dataset as a Vision-Language Benchmark

Koki Maeda, Tosho Hirasawa, Atsushi Hashimoto +4

Procedural video understanding is gaining attention in the vision and language community. Deep learning-based video analysis requires extensive data. Consequently, existing works o…

cs.CL2022★ 3 cited

Construction of a Quality Estimation Dataset for Automatic Evaluation of Japanese Grammatical Error Correction

Daisuke Suzuki, Yujin Takahashi, Ikumi Yamashita +5

In grammatical error correction (GEC), automatic evaluation is an important factor for research and development of GEC systems. Previous studies on automatic evaluation have demons…

cs.CL2020★ 8 cited

Keyframe Segmentation and Positional Encoding for Video-guided Machine Translation Challenge 2020

Tosho Hirasawa, Zhishen Yang, Mamoru Komachi +1

Video-guided machine translation as one of multimodal neural machine translation tasks targeting on generating high-quality text translation by tangibly engaging both video and tex…

cs.CL2020★ 7 cited

Towards Multimodal Simultaneous Neural Machine Translation

Aizhan Imankulova, Masahiro Kaneko, Tosho Hirasawa +1

Simultaneous translation involves translating a sentence before the speaker's utterance is completed in order to realize real-time understanding in multiple languages. This task is…

cs.CL2019★ 1 cited

Debiasing Word Embeddings Improves Multimodal Machine Translation

Tosho Hirasawa, Mamoru Komachi

In recent years, pretrained word embeddings have proved useful for multimodal neural machine translation (NMT) models to address the shortage of available datasets. However, the in…

cs.CL2019★ 6 cited

Multimodal Machine Translation with Embedding Prediction

Tosho Hirasawa, Hayahide Yamagishi, Yukio Matsumura +1

Multimodal machine translation is an attractive application of neural machine translation (NMT). It helps computers to deeply understand visual objects and their relations with nat…